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Airplane Flight Manual Supplement

Piper PA-42 Cheyenne III · Flight Manual

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Overview

This document serves as an Airplane Flight Manual Supplement for the Piper PA-42 Cheyenne III and Piper PA-42-720 Cheyenne IIIA. It provides essential information regarding the installation and operation of the MT-Propeller MTV-16-1-E-C-F-R(P) propeller system. The manual includes specifications, installation instructions, and continued airworthiness guidelines, ensuring pilots and maintenance personnel have the necessary data for safe and efficient operation of the aircraft with the new propeller system. It is crucial for understanding the performance enhancements and operational characteristics associated with the upgraded propeller system.

  • The document is an Airplane Flight Manual Supplement for the Piper PA-42 Cheyenne III and PA-42-720 Cheyenne IIIA.
  • The propeller system includes two 4-blade constant speed propellers with a maximum diameter of 90.6 inches.
  • Each propeller weighs 113 lbs, contributing to a lighter overall aircraft configuration.
  • Cruise performance improves by approximately 4 to 5 knots at 1800 RPM with the new propeller system.
  • The propeller system offers enhanced take-off distance and climb performance.

Document

Source

Originally published by www.mt-propellerusa.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
Flight Manual
Pages
1
File size
60 KB
Publisher
www.mt-propellerusa.com
How rare is it?
24Piper PA-42 Cheyenne III registered worldwide · 0 active

Common. Rarer than 4% of the aircraft models we track.

Documentation completeness
5/7

Most owners only have the POH. Here's the essential set for the Piper PA-42 Cheyenne III.

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In this document

Propeller Specifications

The propeller designated MTV-16-1-E-C-F-R(P) features a milled single-piece aluminum hub and blades made from lightweight natural composite material. The maximum diameter of the propeller is 90.6 inches, while the minimum diameter is 89.8 inches. Each propeller and spinner weighs 113 lbs, and the total time between overhaul (TBO) is determined according to the latest service bulletin.

STC Kit Contents

The STC kit includes two 4-blade reversing and full feathering constant speed propellers, two full composite spinners, and several documentation pieces: an Airplane Flight Manual Supplement, Installation Instructions, an Instruction for Continued Airworthiness, and an Operation and Installation Manual.

Performance Enhancements

The new propeller system is designed to enhance take-off distance and climb performance, particularly at maximum take-off weight (MTOW) under standard atmospheric conditions (ISA). Cruise performance is improved by approximately 4 to 5 knots at 1800 RPM, contributing to overall operational efficiency.

Safety notes

  • Ensure compliance with the latest service bulletins for TBO and maintenance procedures.
  • Follow installation instructions carefully to maintain airworthiness.

Full document text

MT-Propeller Entwicklung GmbH Flugplatzstr. 1 94348 Atting / Germany Phone: +49 (0) 9429 9409 0 Fax: +49 (0) 9429 8432 sales@mt-propeller.com MT-Propeller USA, Inc. 1180 Airport Terminal Drive DeLand, Florida 32724 Phone: (386) 736-7762 Fax: (386) 736-7696 info@mt-propellerusa.com Certification # EASA.21J.020, DE.21G.0008 www.mt-propeller.com Certified FAA Repair Station No. Q4MR908Y Flyer No.: FL-039 Type of Aircraft: Piper PA-42/42-720 FAA STC: i.p. EASA STC: A.S.03604 Aircraft TCDS: A23SO Propeller TCDS: P27BO Applicable Aircraft Piper PA-42 Cheyenne III Piper PA-42-720 Cheyenne IIIA Engines PT6A-41, PT6A-61 STC Kit Contents Two 4-Blade Reversing and Full Feathering Constant Speed Propeller MTV-16-1-E-C-F-R(P)/CFR230-37b Two Full Composite Spinner (AFRP) P-1090-( ) One Airplane Flight Manual Supplement Doc. No. E-1670 (EASA + FAA) One Installation Instruction Doc. No. E-1671 (EASA + FAA) One Instruction For Continued Airworthiness Doc. No. E-1672 (EASA + FAA) One Operation and Installation Manual ATA 61-01-24 (E-610) Propeller Specifications Full Propeller Designation MTV-16-1-E-C-F-R(P)/CFR230-37b Propeller Hub MTV-16-1-E-C-F-R(P) Milled single-piece aluminum hub Blade CFR230-37b Blade Design Scimitar, light-weight natural composite Installed Propeller & Spinner Weight & Deice 113 lbs each Maximum Diameter 90.6 in. Minimum Diameter 89.8 in. TBO According to SB 1 ( ) latest issue Replaces 3-Blade Hartzell Q Tip propellers 4-Blade McCauley propellers Advantages - Best vibration damping characteristics for almost vibration free propeller operations - Bonded on nickel alloy leading edge for best erosion protection of the blades - Enhanced take-off distance and Climb Performance (MTOW, ISA) - Cruise performance increased with 1800 RPM by approx. 4 to 5 kts (Mid GW, ISA) - Approx. 60 lbs less weight than the original propellers - Unlimited blade life - More ground clearance for less FODs - FOD repairable blades - Significant inside and outside noise reductions - Noise level is below 80 dB(A) according to ICAO Annex 16 Chapter 10 - Cabin noise is reduced by 4 to 6 dB(A)

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